IFRA EEMAN AHMED; AZHAR ALI; ABDULLAH HUMAYUN. Association of Pre-Infection Vitamin D status with COVID-19 severity. Journal of the Pakistan Medical Association, [S. l.], v. 73, n. 8, p. 1770–1770, 2023. DOI: 10.47391/JPMA.8244. Disponível em: https://ojs.jpma.org.pk/index.php/public_html/article/view/8244. Acesso em: 22 feb. 2024.